This handbook provides guidance for conducting planning, traffic management, investment sharing (cost share), highway safety, traffic studies, road maintenance, and other road system operations and maintenance activities.
The Tonto National Forest proposes changes to motorized use on roads, trails, and areas to meet requirements of Executive Order 11644, as amended by Executive Order 11989, and in the Travel Management Rule regulations (36 CFR 212, Subpart B).
This database contains information on faults and associated folds in the United States that demonstrate geological evidence of coseismic surface deformation in large earthquakes during the Quaternary (the past 1.6 million years).
This report presents the results of a site- specific probabilistic seismic hazard analysis (PSHA) and deterministic seismic hazard analysis (DSHA) for the Near West site in southern Arizona.
Topics include land use, demographics, specific industry sectors, the role of non-labor income, the wildland-urban interface, the role of amenities in economic development, and payments to county governments from federal lands.